At Amazon, clip the on-page coupon to get this Smartour Cordless Tire Inflator for $28. It's the best price Amazon has charged for this model. It includes four nozzle adapters for cars, bikes, balls, and inflatables, plus a preset auto-stop feature that shuts it off once the target pressure is reached. Buy Now at Amazon

As one of its daily deals, Lowe's offers the Metabo 50-Foot HPT Professional Grade Polyurethane Air Hose for $13. You'd pay $14 more elsewhere. Get free shipping with MyLowe's membership. (Not a member? It's free to join.) Buy Now at Lowe's

This handles both a dead battery and a low tire in one unit, so it's worth keeping in your trunk if you want to skip separate purchases of a jump starter and an inflator. At $49, that's $41 (46%) off the $90 list price from Walmart. Buy Now at Walmart

Keeping this in your trunk means you can jump a dead battery and air up a low tire without calling for help, which matters most if you drive an older car or just want backup for road trips. It's $6.61 off the $66 list price at Amazon. Buy Now at Amazon

Update: The price has changed to $23.99 since this was originally published.

This compact inflator suits anyone who wants to top off tires, bike wheels, or sports equipment in the garage or trunk without hunting for an outlet, and at $22.98 it's only $1 off the $23.99 list price. Buy Now at Amazon

Update: The price has changed to $22.99 since this was originally published.

This compact inflator suits anyone who wants to top off car, bike, or ball tires in the garage or on the road without hunting for an outlet, and right now it's $1.75 off the list price. Buy Now at Amazon

Keeping one of these in your trunk means you're never stuck searching for a gas station air pump when a tire's running low, and at $23, that's $14 off the usual $37 price. Buy Now at Walmart

Update: The price has changed to $33.47 since this was originally published.

Handy for topping off tires before road trips or catching a slow leak before it becomes a flat, and it plugs into your car's 12V outlet so you're not stuck waiting for a gas station air pump. It's $5.55 off the list price at Amazon. Buy Now at Amazon

Anyone running framing nailers or impact tools on a job site without power hookups will appreciate that this one runs on gas instead of an extension cord, and the 10-gallon tank keeps you from stopping to refill air every few minutes. Buy Now at Home Depot

Update: The price has changed to $52.99 since this was originally published.

Runs off either your car's 12V outlet or a standard wall plug, so you're covered whether you're topping off tires in the driveway or dealing with a low tire on the road, and it's currently $14 (about 21%) off the $66 list price. Buy Now at Amazon

Update: The price has changed to $54.99 since this was originally published.

Handy for anyone who keeps a car and needs to top off tires at home or on the road, since it switches between household outlets and a car's 12V socket without needing separate tools. It's currently $11 off the list price at Amazon, bringing it to $55. Buy Now at Amazon

Handy for keeping tires properly inflated without hunting down a gas station air pump, especially if you've got multiple vehicles or bikes to maintain, and it's currently $10 off the list price. Buy Now at Amazon

Inflating a paddleboard by hand gets old fast, and this pump handles that job automatically with digital PSI control up to 20 PSI, so it suits anyone who paddles often enough to want the setup time back. It's currently $22 off the $90 list price, about a 24% discount. Buy Now at Amazon

Handy for topping off car, bike, or sports ball tires without a trip to the gas station, especially if you keep one in the trunk for flats. At $18, that's $9 (33%) off the $27 list price. Buy Now at Amazon

Keeping one of these in your trunk means you're not stuck waiting on roadside assistance for a simple flat tire, and it plugs right into your car's outlet so there's no separate battery to charge. Buy Now at Home Depot